Antoine Jackson has been charged with aggravated criminal sexual abuse, attempted aggravated criminal sexual assault, robbery and aggravated battery, Chicago police said.
A 24-year-old woman was riding a Red Line train at about 9:57 a.m. Jan. 2 north toward the Morse station near Rogers Park when a man exposed himself to her, police previously said.
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The woman told police that when she tried to change rail cars, he struck her several times.
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He then touched the woman inappropriately and demanded she perform an "inappropriate act," police said. The man got off the train at Morse after taking her belongings.
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Police identified Jackson as the man in surveillance footage that was released in early January and arrested him about 9:25 a.m. Wednesday near his home in West Woodlawn.
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The suspect in the robbery and assault was described as 20 to 30 years old, standing 5-foot-8 to 5-foot-10 and weighing 150-180 pounds, police said. He was wearing a dark-colored jacket with a Chicago Bulls logo on the front and back, a white colored hoodie, stone-washed blue jeans and brown work boots.
Jackson's arrest comes amid a series of Red Line attacks in the last month. Chicago police released a warning Wednesday about recent robberies on the Red Line that appeared to target young people.
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Over the past year, over 1,300 crimes were reported on the Red Line, a nearly 12% increase from the prior year.